硫酸

Through an experiment on ammonium alum ,an effective method to reduce the super-cooling degree was found.

通过对硫酸铝铵[NH4Al(SO4)2.12H2O]的实验研究，寻找减小其过冷度，改善其储热性能的方法。

Below is a new process of synthesizing ammonium alum by means of semifinished aluminium sulfate and the mother liquor from the preparation of sodium carbonate through double decomposition as raw materials.

研究了以芒硝复分解法制碳酸钠的母液和粗品硫酸铝为原料合成铵明矾的工艺，找出最佳工艺条件，产品质量达到国家标

Thermal and thermo-oxidative degradation of chitin with ammonium nitrate,ammonium sulfate and concentrated sulfuric acid were studied.

讨论了硝酸铵、硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响。

Its main products are high efficiency compound fertilizer ammonium phosphate, sulphate chemical products, cement and bromine-, but the use of raw materials are generally from the fertilizer factory waste and ordinary sea water.

它的主要产品是高效复合肥磷铵，化工制品硫酸、溴素以及水泥等，但使用的原料却是一般化肥厂排出的废料和普通的海水。

Lubei Chemical (600727, the closing price of 4.89 yuan) of the Securities Department staff said that the company produces ammonium phosphate, sulfuric acid, cement and other products, as the national economic slowdown, the company has reduced The ex-factory price of the product, but the company has not lowered prices of raw materials, the company's profits by a certain amount of pressure.

鲁北化工（600727，在4.89元的收盘价的证券部工作人员）说，该公司生产的磷铵，硫酸，水泥等产品，作为国家经济放缓，公司降低了出厂产品的价格，但该公司没有降低原材料价格，由一定的压力，该公司的利润。

Indirect electrochemical oxidation of anethole to anisaldehyde was investigated in non-membrane electrolytic cell using Mn/Mn as redox mediator, and pure lead as cathode and anode in sulphuric acid solution. The effects of electrolysis conditions on the yield of Mn was particularly discussed.

研究了在硫酸溶液中以Mn/Mn作为媒质，铅为阴极和阳极，在无隔膜电解槽中间接电化学氧化茴香脑合成茴香醛，讨论了电解反应条件对电解产率的影响。

Indirect electrochemical oxidation of anethole to anisaldehyde was investigated in non-membrane electrolytic cell using Mn/Mn as redox mediator,and pure lead as cathode and anode in sulphuric acid solution.

研究了在硫酸溶液中以Mn/Mn作为媒质，铅为阴极和阳极，在无隔膜电解槽中间接电化学氧化茴香脑合成茴香醛，讨论了电解反应条件对电解产率的影响。

Hardness and temperature, current density, chromium content of sulfuric acid anhydride and are closely related.

铬层软度与温度、电流密度、铬酐及硫酸的含量都有紧密亲密的干系。

The anhydrite is then cooled down and traces of sulphuric acid are neutralized with lime before the product is ground to the required size for commercial purposes.

硬石膏被冷却下来，微量的硫酸被石灰中和掉，产品然后按商品要求加工成规定的大小。

The polysaccharide and glucan contents were analyzed by phenol-sulfuric acid method and aniline blue dye fluorescence assay, respectively.

首先将液态灵芝发酵液和商业灵芝粉以酚硫酸法测多醣产量，再以萤光分析方法进行葡聚醣定量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。